Daidaitaccen nuni na aerosol photometer yana rinjayar sakamakon gwajin ingancin tacewa zuwa wani ɗan lokaci. Don masana'antu irin su kamfanonin harhada magunguna tare da buƙatun tsafta mafi girma, daidaitawar na'urar daukar hoto shima yana da buƙatu mafi girma. Aerosol photometer yawanci yakamata a daidaita shi kowace shekara.
Gwajin ɗaki mai tsabta shine tsarin kulawa da ingancin iska a cikin ɗaki mai tsabta don tabbatar da ya dace da ƙayyadaddun gwaji da ƙa'idodin gwaji masu dacewa kamar ISO14644-1, ISO 144644-2, da ISO 14644-3.